He is recorded in 1959 as principal and partner with L ELK in the practice ELK and ELK of address Suite 31 Elsten House, 63 Harrison Street, Johannesburg, Transvaal. In 1969 he is recorded as principal and partner in the practice PERCY M ELK and JULIAN D FISHER of address Suite 501, Europa house, 32 Plein Street, Johannesburg, Transvaal.